/*
 * Remmina - The GTK+ Remote Desktop Client
 * Copyright (C) 2011 Vic Lee
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, 
 * Boston, MA 02111-1307, USA.
 */

#include "config.h"
#include <gtk/gtk.h>
#include <gnome-keyring.h>
#include <remmina/plugin.h>

static RemminaPluginService *remmina_plugin_service = NULL;

static GnomeKeyringPasswordSchema remmina_file_secret_schema =
{
    GNOME_KEYRING_ITEM_GENERIC_SECRET,
    {
        { "filename", GNOME_KEYRING_ATTRIBUTE_TYPE_STRING },
        { "key", GNOME_KEYRING_ATTRIBUTE_TYPE_STRING },
        { NULL, 0 }
    }
};

void
remmina_plugin_gkeyring_store_password (RemminaFile *remminafile, const gchar *key, const gchar *password)
{
    GnomeKeyringResult r;
    const gchar *path;
    gchar *s;

    path = remmina_plugin_service->file_get_path (remminafile);
    s = g_strdup_printf ("Remmina: %s - %s", remmina_plugin_service->file_get_string (remminafile, "name"), key);
    r = gnome_keyring_store_password_sync (&remmina_file_secret_schema, GNOME_KEYRING_DEFAULT,
        s, password,
        "filename", path,
        "key", key,
        NULL);
    g_free (s);
    if (r == GNOME_KEYRING_RESULT_OK)
    {
        remmina_plugin_service->log_printf ("[GKEYRING] password saved for file %s\n", path);
    }
    else
    {
        remmina_plugin_service->log_printf ("[GKEYRING] password cannot be saved for file %s: %s\n",
            path, gnome_keyring_result_to_message (r));
    }
}

gchar*
remmina_plugin_gkeyring_get_password (RemminaFile *remminafile, const gchar *key)
{
    GnomeKeyringResult r;
    const gchar *path;
    gchar *password;
    gchar *p;

    path = remmina_plugin_service->file_get_path (remminafile);
    r = gnome_keyring_find_password_sync (&remmina_file_secret_schema, &password,
        "filename", path,
        "key", key,
        NULL);
    if (r == GNOME_KEYRING_RESULT_OK)
    {
        remmina_plugin_service->log_printf ("[GKEYRING] found password for file %s\n", path);
        p = g_strdup (password);
        gnome_keyring_free_password (password);
        return p;
    }
    else
    {
        remmina_plugin_service->log_printf ("[GKEYRING] password cannot be found for file %s: %s\n",
            path, gnome_keyring_result_to_message (r));
        return NULL;
    }
}

void
remmina_plugin_gkeyring_delete_password (RemminaFile *remminafile, const gchar *key)
{
    GnomeKeyringResult r;
    const gchar *path;

    path = remmina_plugin_service->file_get_path (remminafile);
    r = gnome_keyring_delete_password_sync (&remmina_file_secret_schema,
        "filename", path,
        "key", key,
        NULL);
    if (r == GNOME_KEYRING_RESULT_OK)
    {
        remmina_plugin_service->log_printf ("[GKEYRING] password deleted for file %s\n", path);
    }
    else
    {
        remmina_plugin_service->log_printf ("[GKEYRING] password cannot be deleted for file %s: %s\n",
            path, gnome_keyring_result_to_message (r));
    }
}

static RemminaSecretPlugin remmina_plugin_gkeyring =
{
    REMMINA_PLUGIN_TYPE_SECRET,
    "GKEYRING",
    "GNOME Keyring",
    NULL,
    VERSION,

    TRUE,
    remmina_plugin_gkeyring_store_password,
    remmina_plugin_gkeyring_get_password,
    remmina_plugin_gkeyring_delete_password
};

G_MODULE_EXPORT gboolean
remmina_plugin_entry (RemminaPluginService *service)
{
    remmina_plugin_service = service;

    if (! service->register_plugin ((RemminaPlugin *) &remmina_plugin_gkeyring))
    {
        return FALSE;
    }
    return TRUE;
}

